{"cve":{"cve_id":"CVE-2023-1671","is_kev":true,"kev_date_added":"2023-11-16","kev_vendor_project":"Sophos","kev_product":"Web Appliance","kev_vulnerability_name":"Sophos Web Appliance Command Injection Vulnerability","kev_short_description":"Sophos Web Appliance contains a command injection vulnerability in the warn-proceed handler that allows for remote code execution.","kev_required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2023-12-07","kev_known_ransomware":false,"kev_notes":"https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce;  https://nvd.nist.gov/vuln/detail/CVE-2023-1671","kev_cwes":["CWE-77"],"epss_score":0.99999,"epss_percentile":0.99991,"epss_as_of":"2026-06-23","description":"A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.","published_at":"2023-04-04T00:00:00Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-77"],"nvd_references":["https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce","http://packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.html"],"vuln_status":null,"trending_score":0.6099982000001376,"is_trending":true,"has_trended":true,"trended_number_one":false,"trending_peak_score":0.6099982000001376,"trending_peak_rank":28,"started_trending_at":"2026-06-29T02:30:27.366045Z","trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T02:30:27.550645Z"},"effective_severity":"CRITICAL","badges":["kev","poc","trending","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"sophos","vendor_name":"Sophos","product_slug":"sophos-web-appliance","product_name":"Sophos Web Appliance","version_start":"unspecified","version_start_inclusive":true,"version_end":"4.3.10.4","version_end_inclusive":false,"cpe23_uri":"cve5:sophos:sophos-web-appliance:unspecified:4.3.10.4"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-1671.yaml","title":"Sophos Web Appliance - Remote Code Execution","author":"Co5mos","disclosed_at":null}],"news":[],"references":[{"url":"https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.html","source_type":"EXPLOIT","tags":["exploit"]}],"timeline":[{"type":"published","at":"2023-04-04T00:00:00Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2023-11-16T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"cvss_changed","at":"2026-06-28T17:25:47.920460Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:25:47.920460Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:25:47.920460Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:24:34.343180Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:24:34.343180Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:24:34.343180Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"started_trending","at":"2026-06-29T02:30:27.366045Z","label":"Started trending","source":null}]}